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Mathematical Problems in Engineering
/
2010
/
Article
/
Fig 8
/
Research Article
Analysis of a Nonlinear Aeroelastic System with Parametric Uncertainties Using Polynomial Chaos Expansion
Figure 8
Uncertain nonlinear stiffness: comparison of a typical time history with
12
th order PCE and MCS for
ξ
=
1.5
and
U
=
6.42
.